blood in urine

     

In meicine, hematuria (or "haematuria") is the presence of red blood cells (erythrocytes) in the urine. It is a sign that there is a kidney stone or a tumor in the ureter, urinary bladder, prostate, or urethra. kidneys and the urinary tract, ranging from trivial to lethal. If white blood cells are found in addition to red blood cells, then it is a signal of urinary tract infection.